There are two new 'xserver-xorg-video-intel' packages available on the repository, based on official release 2.8.1 and 2.9.0. Most of you know that these drivers completely drop support for the EXA acceleration in favour of UXA, and this brings both advantages and disavantages.

After some tests these new drivers seem to be more stable than the version installed automatically (2.7.1), also they fix some annoying bugs (the most important, the one causing the image to freeze on an external monitor after some time).

At the moment the max virtual resolution which works without problems is 2048x2048, but yours is greater.Removing that lines from your xorg.conf will default to 2048x2048, and you should have the DRI support back.

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I installed the driver yesterday, and as I'm on holiday I just used it for receiving and sending a few mails and browsing the net (with a little Flash content). So far it is stable and did not show any instabilities.

UNR does "feel" a bit slower than 2.7.1 with EXA (I'm not using compiz on the netbook), but so did 2.7.1 when configured for UXA. I'm using an "empty" xorg.conf (well, not completely, a "skeleton version" as created by "sudo dpkg-reconfigure -phigh xserver-xorg"). But then, at some stage, we all will have to make the switch.

'voRia' pid='1697' dateline='1249321403' wrote:Thanks Just a note: are you using kernel 2.6.28 or 2.6.31?I've just noticed that using this new driver with kernel 2.6.28 results in bad performances, but it works great with kernel 2.6.31.

The kernel is fully updated to 2.6.31-5. Basically I'm using your PPA and just added your Intel 2.8.0 DEB. It's not that it is "slow", it just seems to be a little bit off the 2.7.1's performance - but it may be just my impression, I should check with GtkPerf or whatever. But then, holidays are for the family rather than for the netbook ;-)

'hsasshofer' pid='1700' dateline='1249367164' wrote:It's not that it is "slow", it just seems to be a little bit off the 2.7.1's performance - but it may be just my impression, I should check with GtkPerf or whatever.

I have had exactly the same impressions, but IMO the performances are now more or less comparable with the 2.7.1 driver, and they can only get better. However this is true only when the new driver is used with a recent kernel; with official kernels from jaunty (2.6.28), the performances are terrible... and this is stopping me from adding the new driver on the NC10 repository.

Anyway, as you said

'hsasshofer' pid='1700' dateline='1249367164' wrote:holidays are for the family rather than for the netbook ;-)

Hmm, I checked the differences in performance between 2.7.1 (EXA) and 2.8.0 (UXA) with GtkPerf (500 runs) on kernel 2.6.31-5. They are some kind of a mixed blessing :s

Overall the perfomance ist about the same (differences up to 10% are neglicible, and will also occur on multiple test runs) but there are dramatic changes in drawing shapes (loss of performance) and drawing(!) text (gain). So depending on the GTK operation concerned, the driver can appear faster or slower.